Bump the pypi-updates group with 3 updates

Bumps the pypi-updates group with 3 updates: [google-api-python-client](https://github.com/googleapis/google-api-python-client), [mypy](https://github.com/python/mypy) and [types-python-dateutil](https://github.com/typeshed-internal/stub_uploader).


Updates `google-api-python-client` from 2.174.0 to 2.177.0
- [Release notes](https://github.com/googleapis/google-api-python-client/releases)
- [Commits](https://github.com/googleapis/google-api-python-client/compare/v2.174.0...v2.177.0)

Updates `mypy` from 1.16.1 to 1.17.1
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](https://github.com/python/mypy/compare/v1.16.1...v1.17.1)

Updates `types-python-dateutil` from 2.9.0.20250516 to 2.9.0.20250708
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: google-api-python-client
  dependency-version: 2.177.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: mypy
  dependency-version: 1.17.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20250708
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pypi-updates
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -19,7 +19,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = "^3.11"
 google-auth = "2.40.3"
-google-api-python-client = "2.174.0"
+google-api-python-client = "2.177.0"
 icalendar = "6.3.1"
 pytz = "2025.2"
 PyYAML = "6.0.2"